<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Demo</title>
  <!-- 请勿在项目正式环境中引用该 layui.css 地址 -->
  <link href="../layui/css/layui.css" rel="stylesheet">
</head>
<body>
<style>
  .demo-login-container{width: 320px; margin: 200px auto 0;}
  .demo-login-other .layui-icon{position: relative; display: inline-block; margin: 0 2px; top: 2px; font-size: 26px;}
</style>

<form class="layui-form">
  <div class="demo-login-container">
    <div class="layui-form-item">
      <div class="layui-input-wrap">
        <div class="layui-input-prefix">
          <i class="layui-icon layui-icon-username"></i>
        </div>
        <input type="text" name="username" id="username" value="" lay-verify="required" placeholder="用户名" lay-reqtext="请填写用户名" autocomplete="off" class="layui-input" lay-affix="clear">
      </div>
    </div>
    <div class="layui-form-item">
      <div class="layui-input-wrap">
        <div class="layui-input-prefix">
          <i class="layui-icon layui-icon-password"></i>
        </div>
        <input type="password" name="password" value="" lay-verify="required" placeholder="密   码" lay-reqtext="请填写密码" autocomplete="off" class="layui-input" lay-affix="eye">
      </div>
    </div>
    <div class="layui-form-item">
      <div class="layui-row">
        <div class="layui-col-xs7">
          <div class="layui-input-wrap">
            <div class="layui-input-prefix">
              <i class="layui-icon layui-icon-vercode"></i>
            </div>
            <input type="text" name="captcha" value="" lay-verify="required" placeholder="验证码" lay-reqtext="请填写验证码" autocomplete="off" class="layui-input" lay-affix="clear">
          </div>
        </div>
        <div class="layui-col-xs5">
          <div style="margin-left: 10px;">
            <img src="https://www.oschina.net/action/user/captcha" onclick="this.src='https://www.oschina.net/action/user/captcha?t='+ new Date().getTime();">
          </div>
        </div>
      </div>
    </div>
    <div class="layui-form-item">
      <button class="layui-btn layui-btn-fluid" lay-submit lay-filter="login">登录</button>
    </div>
  </div>
</form>

<!-- 请勿在项目正式环境中引用该 layui.js 地址 -->
<script src="../layui/layui.js"></script>
<script>
  layui.use(function(){
    // 表单对象
    let form = layui.form;
    let $ = layui.jquery;
    let layer = layui.layer;


    $("#username").on('blur',function (){
       // 发送异步请求
      console.log("-----------------------------")
    })


    // 提交事件   demo-login   表示按钮的lay-filter的值   function(){}  提交事件回调函数  参数 data  表单对象
    form.on('submit(login)', function(data){

      let formData = data.field; // 获取表单字段值  {username,password,code}
      // 显示填写结果，仅作演示用
      // 此处可执行 Ajax 等操作  异步请求
      $.ajax({
           url:"/mvc/user/login" ,  //请求地址
           type: "POST",   //  请求方式  get  post
           data: formData,     //请求参数
           dataType:'JSON',    // 接口返回值类型
           success:function (res){   //  请求成功的回调函数   参数表示接口的返回值  {code,message,data}
                if (res.code==0){
                    // 跳转页面
                  window.location.href = "/index.html"
                }else{
                  layer.msg(res.message)
                }
           },
           error:function (res){   //   请求失败的回调函数
                 layer.msg("请求失败",{icon:5})
           }
      })

      return false; // 阻止默认 form 跳转
    });
  });
</script>

</body>
</html>